Encode git version info into binary and user agent

Signed-off-by: Monis Khan <mok@vmware.com>

cmd/placeholder-name/main.go

@@ -8,10 +8,15 @@ package main
 import (
 	"os"
 
+	"k8s.io/client-go/pkg/version"
+	"k8s.io/client-go/rest"
+	"k8s.io/klog/v2"
+
 	"github.com/suzerain-io/placeholder-name/cmd/placeholder-name/app"
 )
 
 func main() {
+	klog.Infof("Running %s at %#v", rest.DefaultKubernetesUserAgent(), version.Get())
 	if err := app.New(os.Args[1:], os.Stdout, os.Stderr).Run(); err != nil {
 		os.Exit(1)
 	}